How to configure an IPv6 subnet on a Dedibox running Windows Server

Reviewed on 13 November 2023 • Published on 03 August 2021

Before you start

To complete the actions presented below, you must have:

Important

On servers supporting IPv6 SLAAC, SLAAC has to be enabled in order to ensure that DHCPv6 works correctly.
This documentation addresses the setup of a /48 IPv6 network on your Dedibox. If you intend to use only the SLAAC IP address, no additional configuration is necessary, and your machine can acquire its IP address automatically.

Important

Modifying values in the Windows Registry may cause damage to your installation. Be careful when editing these settings.

Launch the Registry Editor by typing regedit.exe in the start menu:
Scroll down until you reach the following setting: HKEY_LOCAL_MACHINE\System\CurrentControlSet\services\TCPIP6\Parameters and edit the value Dhcpv6DUID with the DUID of your block by double clicking on the default value:

Go to your network settings, and double-click on your internet connection.
Open the connection details and enter the IPv6 settings. Set the IP of the machine to an IPv6 address of your subnet and the netmask:
Once you have saved the configuration, open a terminal and test the connection by running a ping -6 google.com or tracert -6 google.com: